8 days ago · The 6845 CRTC (Cathode Ray Tube Controller) controls how the display is generated. It is written to with VDU 23,0 which also takes account of the current ...
5 days ago · The service entry is an entry point in a paged ROM that is called by the MOS, allowing the ROM to initialise, to claim and release resources, ...
Oct 12, 2024 · Channel Islands Map Browser J.G.Harston Central grid square: WA9027 Map scale: 1:50,000 1:100,000. Click on grid squares to scroll, or: